Malicious PDF — malware analysis report

Static analysis result for SHA-256 941e4fb09f658a23…

MALICIOUS

PDF

76.4 KB Created: 2020-11-12 23:35:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: f5d1005eff639c3484eee8cfcfc6235f SHA-1: 9803d6d4b8b0b3c41c7df71f9c1eec836a7210ea SHA-256: 941e4fb09f658a23154d40dcb1b4315c9fc79deeec3b1e6a0e37dc66d86c6ff7
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://trafffe.ru/123?utm_term=dream+league+soccer+2020+cheats PDF link annotation
    • https://butiziro.weebly.com/uploads/1/3/4/3/134308177/8641438.pdfIn PDF document text
    • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/durafufoxo.pdfIn PDF document text
    • https://rumorima.weebly.com/uploads/1/3/4/3/134307849/3959620.pdfIn PDF document text
    • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/3818940.pdfIn PDF document text
    • https://fadusoga.weebly.com/uploads/1/3/0/7/130739873/mafezoluruzowez.pdfIn PDF document text
    • https://kupanonul.weebly.com/uploads/1/3/4/6/134682697/duvijodetan.pdfIn PDF document text
    • https://wilunozuwi.weebly.com/uploads/1/3/4/4/134432110/5571505.pdfIn PDF document text
    • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/5447772.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jinabisura/windows_8.1_classic_start_menu.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/bridge_of_clay_markus_zusak.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/20951372504.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96c04373-b673-4e22-bdd1-7368630a263a/judabow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8454b866-6a99-47c8-be81-7d766f5a81e9/banal.pdfIn PDF document text
    • https://s3.amazonaws.com/rakonezum/91485570563.pdfIn PDF document text
    • https://s3.amazonaws.com/jokotaziweluge/zakizifejereliluxibexota.pdfIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/stereochemistry_and_chirality_worksheets.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED12 5488 bytes
SHA-256: 3651b0ff63d9b3d5592189443209eaa0b80b1dc947752b872fae27f293e033c7
font_01_sfnt_off0000ff96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF96 10828 bytes
SHA-256: 9e03d9a284bcfa9cc0534b173c33bd5fd9380133a000609ec5eb05819c87c08a

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